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What is the cosine of 210 degrees

What is the cosine of 210 degrees
asked 86.3k views
1 vote
What is the cosine of 210 degrees

asked
User Sebastian Smiley
by
8.5k points

1 Answer

3 votes

Answer:

-0.86602540378 is the decimal form

and the exact form is − √ 3/2

answered
User Dana Cartwright
by
8.7k points
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